Home / 4,218.50-6,329.44-2,137.38

Finding the Fourth Proportional to 4,218.50, 6,329.44 and 2,137.38

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Solution

The fourth proportional to 4,218.50, 6,329.44 and 2,137.38 is: 3,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.50 : 6,329.44 = 2,137.38 : x
  2. Step 2: Convert to fraction form
    4,218.50/6,329.44 = 2,137.38/x
  3. Step 3: Cross multiply
    4,218.50x = 6,329.44 × 2,137.38
  4. Step 4: Simplify right side
    4,218.50x = 13,528,418.47
  5. Step 5: Solve for x
    x = 13,528,418.47/4,218.50
  6. Step 6: Final answer
    x = 3,206.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.